22042115237 has 2 divisors, whose sum is σ = 22042115238. Its totient is φ = 22042115236.

The previous prime is 22042115209. The next prime is 22042115261. The reversal of 22042115237 is 73251124022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18991320481 + 3050794756 = 137809^2 + 55234^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042115237 - 2²⁴ = 22025338021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22042115267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021057618 + 11021057619.

It is an arithmetic number, because the mean of its divisors is an integer number (11021057619).

Almost surely, 2^22042115237 is an apocalyptic number.

It is an amenable number.

22042115237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042115237 is an equidigital number, since it uses as much as digits as its factorization.

22042115237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 22042115237 its reverse (73251124022), we get a palindrome (95293239259).

The spelling of 22042115237 in words is "twenty-two billion, forty-two million, one hundred fifteen thousand, two hundred thirty-seven".